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प्रश्न
An ore on being heated in air forms sulphurous anhydride. Write the process used for the concentration of this ore.
एका वाक्यात उत्तर
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उत्तर
The process used for the concentration of the ore is the froth floatation process.
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पाठ 7: Metallurgy - EXERCISE-7B [पृष्ठ १२९]
